Representing Proportional Relationships with Equations

Write the equation for this table.
K=9

• y=9

• y=9x

• y=1/9

Tags

CCSS.6.EE.C.9

Proportional or Not Proportional?

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2C

An app developer projects that he will earn $230.00 for every 100 apps downloaded.

Which of the following equations can be used to represent the proportional relationship

between the number of apps, x, and the total earnings, y?

Tags

CCSS.7.RP.A.2C

An musician projects that he will earn $540.00 for every 150 songs downloaded. Which of the following equations can be used to represent the proportional relationship between the number of apps, x, and the total earnings, y.

• y = 150x + 540

• y = 540x + 150

• x = 3.60y

• y = 3.60x

Tags

CCSS.7.RP.A.2C

If a school donates $5 for every student who donates $3. Write an equation representing this relationship.

• y = 3/5x

• y = 2.5x

• y = 5/3x

• y = 1.2x

Tags

CCSS.6.EE.C.9

If a school donates $10 for every student who donates $3. Write an equation representing this relationship.

• y = 3/10x

• y = 10/3x

• y = 1/3x

• y = 3x

Tags

CCSS.6.EE.C.9

Does this equation represent a proportional relationship?

• Yes

• No

Tags

CCSS.7.RP.A.2D

Which line shows a proportional relationship between x and y?

• Line L

• Line M

Tags

CCSS.7.RP.A.2D

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x

Tags

CCSS.6.EE.C.9

Does this graph represent a proportional relationship?

• Yes

• No

Tags

CCSS.7.RP.A.2D